Adjustable shower head



FIG. 1 is a left side elevational view of an adjustable shower head, showing my new design;

FIG. 2 is a front elevational view thereof; and

FIG. 3 is a top plan view thereof.

The bottom of the shower head is unornamented except for a conventional array of perforations therein. 

The ornamental design for an adjustable shower head, as shown and described. 